Expects: AH    10H
Returns: AH    scan code
AL    ASCII character code or extended ASCII keystroke
Info: This is identical to INT 16H 00H, except that it does not perform
"extended key filtering" to map 101-key 'board keystrokes to
84-key 'board equivalents.

For instance, you might use this function if you want to
differentiate between the [Insert] key and the [Ins] key on the
numeric keypad .

See Also: INT 16H (BIOS keyboard services)
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INT 16H 10H: Read Extended Keyboard Input